GJ 3121

Other names: WD 0148+467, GD 279

Parameter Unit Limoges et al. 2015 Giammichele et al. 2012 Gianninas et al. 2011 Simbad
Right ascension 01 52 02.96
Declination 47 00 06.65
Spectral type DA DA DA
Effective temperature [K] 13910 14005 14000
log(g) [cgs] 8.05 8.04 8.04
Mass [M] 0.64 0.63 0.63
log(Luminosity) [L] -2.28 -2.26
Age [Gyr] 0.26
log(H/He)
log(C/He)
log(Ca/He)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Ca/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 63.00 63.08 64.53
Distance [pc] 15.90 15.90 16.00
Composition H H H
Proper motion (right ascension) [mas/yr] 1.17
Proper motion (declination) [mas/yr] 122.17
Variability NOV
Magnetic
Has a disc
B magnitude 12.54
V magnitude 12.44 12.46
R magnitude 12.54
I magnitude 12.59
J magnitude 12.77
H magnitude 12.83
K magnitude 12.85
u magnitude
g magnitude 12.38
r magnitude 12.63
i magnitude 12.87
z magnitude

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